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SubjectRe: [RFC 00/12] Add DRM Exynos HDMI on SoCs from Exynos4 family
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Hi Tomasz,

I have merged the re-factoring patch set from Sean Paul. Can you
re-base your patch set at top of exynos-drm-next?

Thanks,
Inki Dae

2013/10/21 Tomasz Stanislawski <t.stanislaws@samsung.com>:
> This patchset adds support for HDMI at SoCs from Exynos4 family. The patches
> are rebased on kishon/next. Additionally, The patchset contains small fixes to
> PHY and CLK frameworks. I preferred to keep all the patches together for the
> first version of the RFC.
>
> The interesting part might be 'propagation of clk_set_parent()'. This feature
> allows to remove the usage of artificial clocks in drivers. Such a situation
> happens for Exynos HDMI and 'mout_hdmi' where the clock is not even mentioned in
> some versions of SoC's documentation. Since enabling and setting rate can be
> propagated I think that clk_set_parent() should also be propagated. This would
> simplify driver's code and make it less dependant on SoC's version.
>
> Another interesting feature refers to simple PHY driver. This driver register
> a PHY interface that operates by setting a special bit in platform register.
> This situation is very common in Exynos SoCs. The current version supports
> only one phy per node. The code might be modified to support multiple phys
> from single simple-phy provider to avoid creation of multiple nodes in DT.
>
> All comments are welcome.
>
> Regards,
> Tomasz Stanislawski
>
>
> Tomasz Stanislawski (12):
> clk: propagate parent change up one level
> clk: exynos4: export sclk_hdmiphy clock
> clk: exynos4: enable clk_set_parent() propagation for sclk_hdmi and
> sclk_mixer clocks
> phy: Add simple-phy driver
> phy: use of_phy_simple_xlate for NULL xlate function
> Revert "drm/exynos: add mout_hdmi clock in hdmi driver to change
> parent"
> drm: exynos: hdmi: use hdmiphy as PHY
> drm: exynos: hdmi: simplify extracting hpd-gpio from DT
> drm: exynos: add compatibles for HDMI and Mixer chips and exynos4210
> SoC
> arm: dts: exynos4: add i2c controller for HDMIPHY
> arm: dts: exynos4: add HDMI devices
> arm: dts: universal_c210: add HDMI devices
>
> .../devicetree/bindings/clock/exynos4-clock.txt | 1 +
> arch/arm/boot/dts/exynos4.dtsi | 43 +++++++
> arch/arm/boot/dts/exynos4210-universal_c210.dts | 53 ++++++++
> arch/arm/boot/dts/exynos4210.dtsi | 4 +
> drivers/clk/clk.c | 6 +
> drivers/clk/samsung/clk-exynos4.c | 10 +-
> drivers/gpu/drm/exynos/exynos_hdmi.c | 41 +++----
> drivers/gpu/drm/exynos/exynos_mixer.c | 3 +
> drivers/phy/Kconfig | 5 +
> drivers/phy/Makefile | 1 +
> drivers/phy/phy-core.c | 2 +-
> drivers/phy/phy-simple.c | 128 ++++++++++++++++++++
> include/linux/clk-provider.h | 1 +
> 13 files changed, 269 insertions(+), 29 deletions(-)
> create mode 100644 drivers/phy/phy-simple.c
>
> --
> 1.7.9.5
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel


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